Pith Number

pith:HRPNEV2J

pith:2009:HRPNEV2J5SIFWJW6H3RRKALARC

not attested not anchored not stored refs pending

Division Algebras and Supersymmetry I

John C. Baez, John Huerta

arxiv:0909.0551 v3 · 2009-09-02 · hep-th · math.DG · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRPNEV2J5SIFWJW6H3RRKALARC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:15:53.667630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c5ed25749ec905b26de3ee315016088b612806e0cc361a92ab4b86de190e42c

Aliases

arxiv: 0909.0551 · arxiv_version: 0909.0551v3 · doi: 10.48550/arxiv.0909.0551 · pith_short_12: HRPNEV2J5SIF · pith_short_16: HRPNEV2J5SIFWJW6 · pith_short_8: HRPNEV2J

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HRPNEV2J5SIFWJW6H3RRKALARC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3c5ed25749ec905b26de3ee315016088b612806e0cc361a92ab4b86de190e42c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6502d6322ed5ecf3f3fd14c4c53163f1fa2ce6dd057f5dc8128d2925f20bff13",
    "cross_cats_sorted": [
      "math.DG",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-09-02T23:36:21Z",
    "title_canon_sha256": "efbf13cc46deb3ef5228fc00a6d880c48cf4219f4da5197d625efe02b9af4416"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0551",
    "kind": "arxiv",
    "version": 3
  }
}